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LOTOS (Language Of Temporal Ordering Specification) became an international standard in 1989, although application of preliminary versions of the language to communication services and protocols of the ISO/OSI family dates back to 1984. This history of the use of LOTOS made it apparent that more advantages than the pure production of standard reference documents were to be expected from the use of such formal description techniques. LOTOSphere: Software Development with LOTOS describes in depth a five year project that moved LOTOS out of the ISO tower into software engineering practice. LOTOS became a vehicle for efficient, yet formally based industrial software specification, design, verification, implementation and testing. LOTOSphere: Software Development with LOTOS is divided into six parts. The first introduces the reader to LOTOS and the project LOTOSphere. The five remaining each treat an important part of the software development life cycle using LOTOS. This is the first book to give a comprehensive treatment of the use of these formal description techniques in a software engineering environment. It will thus be a valuable reference for researchers and software developers and can also be used as a text for an advanced course on the subject.
Partial Contents: Architecture Framework & Components; Formal Methods; Metrics & Quality Assurance; Software Design Methodology; Validation & Verification; UML; Software Development Environment; Object- Oriented Techniques; Distributed & Mobil Systems; User Interface
The last few years have borne witness to a remarkable diversity of formal methods, with applications to sequential and concurrent software, to real-time and reactive systems, and to hardware design. In that time, many theoretical problems have been tackled and solved, and many continue to be worked upon. Yet it is by the suitability of their industrial application and the extent of their usage that formal methods will ultimately be judged. This volume presents the proceedings of the first international symposium of Formal Methods Europe, FME'93. The symposium focuses on the application of industrial-strength formal methods. Authors address the difficulties of scaling their techniques up to industrial-sized problems, and their suitability in the workplace, and discuss techniques that are formal (that is, they have a mathematical basis) and that are industrially applicable. The volume has four parts: - Invited lectures, containing a lecture by Cliff B. Jones and a lecture by Antonio Cau and Willem-Paul de Roever; - Industrial usage reports, containing 6 reports; - Papers, containing 32 selected and refereedpapers; - Tool descriptions, containing 11 descriptions.
Formality is becoming accepted as essential in the development of complex systems such as multi-layer communications protocols and distributed systems. Formality is mandatory for mathematical verification, a procedure being imposed on safety-critical system development. Standard documents are also becoming increasingly formalised in order to capture notions precisely and unambiguously. This FORTE '91 proceedings volume has focussed on the standardised languages SDL, Estelle and LOTOS while, as with earlier conferences, remaining open to other notations and techniques, thus encouraging the continuous evolution of formal techniques. This useful volume contains 29 submitted papers, three invited papers, four industry reports, and four tool reports organised to correspond with the conference sessions.
This volume focuses on the education of researchers, teachers, students and practitioners. As usual in engineering, a study and application of the relevant branches of mathematics is crucial both in education and practice.
Typically, telecommunications services are implemented in software. Feature interaction is the term used to describe interference between services or features; most attention is given to cases where the interference is undesirable, ie. there is an incompatibility. In telecommunications, control and data is distributed and on such a large scale that software development is by numerous disjoint teams; by its nature, therefore, this software experienced the feature interaction problem first. But, while the workshop focuses on communications services, the subject has relevance to any domain where separate software entities control a shared resource.
Focusing on formal methods, this book offers a complete coverage of new developments with emphasis on practical application. Starting with a survey of formal methods for real-time systems, topics include program specification, formal methods, analyzing, and design of real-time systems. The book is essential reading for developers of safety critical systems and researchers in the field.
Formal methods have been established as the rigorous engineering methodology for the system development. Applying formal methods to a large and complex system development often requires the modelling of different aspects of such a system. For instance, complex systems (such as integrated avionics systems, engine control software) can involve functional and timing requirements that must be eventually implemented as executing code on a communicating distributed topology. This book contains the papers presented at the First International Workshop on Integrated Formal Methods, held at the University of York in June 1999. The conference provided a forum for the discussion of theoretical aspects of combing behavioural and state-based formalisms and practical solutions to the industrial problems of this approach.
Testing of Communicating Systems presents the latest world-wide results in both theory and practice. This volume provides a forum in which the substantial volume of research on the testing of communicating systems, spanning from conformance testing through interoperability testing, to performance and QoS testing, is brought together. The following topics are discussed in detail: Types of testing; Phases of the testing process; Classes of systems to be tested; and Theory and practice of testing. This book contains the selected proceedings of the 11th International Workshop on the Testing of Communicating Systems, formerly the International Workshop on Protocol Test Systems, sponsored by the International Federation for Information Processing (IFIP), and held in Tomsk, Russia, in August/September 1998. Testing of Communicating Systems will be essential reading for engineers, IT managers and research personnel working in computer sciences and telecommunications.